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[" Q.7Leta "a=int(0)^( pi/2)(1-sin t)^(n...

[" Q.7Leta "a=int_(0)^( pi/2)(1-sin t)^(n)sin2tdt" then "lim_(n rarr oo)sum_(n=1)^(n)(a_(n))/(n)" is equal to "],[[" (A) "1/2," (B) "1," (C) "4/3," (D) "3/2]]

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